/*
	switch (mapType) {
		case "census":
		break;
		case "counties":
		break;
		case "states":
		break;
		case "zips":
		break;
		case "nsew":
		break;
		case "entireus":
		break;
		break;
		case "radius":
		break;
	}
*/

var fileUploadError = 'You have not uploaded a file that contains your ZZZ';
var fileNoNumRegionsError = 'Please enter the number of ZZZ in your upload'
var selectNoRegionsError = 'You must enter or select at least one ZZZ to be added to your map.';

function find_size_value_from_form(mapType) {
	var sv = 0;
	switch (mapType) {
		case "census":
		case "counties":
		case "states":
		case "zips":
			sv = document.getElementById('numRegions').value;
		break;
		case "nsew":
			for (var a=0;a<3;a++) {
				elem = find_element('nsew_radius'+a);
				if (elem.checked) {
					sv = elem.value;
				}
			}
		break;
		case "radius":
			sv = document.getElementById('radius_radius').value;
		break;
	}
	
	return sv;
}

function find_size_value_from_stored_data(mapType) {
	var sv = 0;
	if (document.getElementById('CUS_REGION_LIST').value.substring(0,5) == "file:") {
			var tmp = document.getElementById('CUS_REGION_LIST').value.split('::');
			var tmp2 = tmp[1].split(' ');
			sv = tmp2[0];
	} else {
		switch (mapType) {
			case "counties":
			case "states":
			case "zips":
				var tmp = document.getElementById('CUS_REGION_LIST').value.split('::');
				sv = tmp.length;
			break;
			case "nsew":
				sv = document.getElementById('CUS_NSEW_RADIUS').value;
			break;
			case "radius":
				sv = document.getElementById('CUS_RADIUS_RADIUS').value;
			break;
			default:
				sv = 0;
			break;
		}
	}
	
	return sv;
}

function store_area_details(mapType) {
	var valid = true;
	switch (mapType) {
		case "census":
			valid = save_uploaded_file_data('census tracts');
		break;
		case "counties":
			if (currentMask == "upload") {
				valid = select_list_data('county');
			} else {
				valid = save_uploaded_file_data('counties');
			}
		break;
		case "states":
			if (currentMask == "upload") {
				valid = select_list_data('state');
			} else {
				valid = save_uploaded_file_data('states');
			}
		break;
		case "zips":
			if (currentMask == "upload") {
				valid = select_list_data('ZIP Code');
			} else {
				valid = save_uploaded_file_data('ZIP Codes');
			}
		break;
		case "nsew":
			var sv;
			valid = false;
			for (var a=0;a<3;a++) {
				elem = find_element('nsew_radius'+a);
				if (elem.checked) {
					valid = true;
					sv = elem.value;
				}
			}
			
			if (!valid) {
				alert('You did not enter a value for the\nmaximum distance between boundaries');
				break;
			}
			
			var elements = new Array();
			elements['nsew_north'] = 'CUS_NSEW_NORTH';
			elements['nsew_south'] = 'CUS_NSEW_SOUTH';
			elements['nsew_east'] = 'CUS_NSEW_EAST';
			elements['nsew_west'] = 'CUS_NSEW_WEST';
			
			
			var elementText = new Array();
			elementText['nsew_north'] = 'Address';
			elementText['nsew_south'] = 'City';
			elementText['nsew_east'] = 'State';
			elementText['nsew_west'] = 'ZIP Code';
			
			for (x in elements) {
				var formElement = document.getElementById(x);
				var hiddenElement = document.getElementById(elements[x]);
				if (formElement.value == '') {
					alert('You did not enter a value for '+elementText[x]);
					valid = false;
					break;
				}
				hiddenElement.value = formElement.value;
			}
			
			document.getElementById('CUS_NSEW_RADIUS').value = sv;
			
			
		break;
		case "entireus":
		break;
		case "radius":
			var elements = new Array();
			elements['radius_address'] = 'CUS_RADIUS_ADDRESS';
			elements['radius_city'] = 'CUS_RADIUS_CITY';
			elements['radius_state'] = 'CUS_RADIUS_STATE';
			elements['radius_zip'] = 'CUS_RADIUS_ZIP';
			elements['radius_radius'] = 'CUS_RADIUS_RADIUS';
			
			
			var elementText = new Array();
			elementText['radius_address'] = 'Address';
			elementText['radius_city'] = 'City';
			elementText['radius_state'] = 'State';
			elementText['radius_zip'] = 'ZIP Code';
			elementText['radius_radius'] = 'radius';
			
			for (x in elements) {
				var formElement = document.getElementById(x);
				var hiddenElement = document.getElementById(elements[x]);
				if (formElement.value == '') {
					alert('You did not enter a value for '+elementText[x]);
					valid = false;
					break;
				}
				hiddenElement.value = formElement.value;
			}
		break;
	}
	
	return valid;
}

function select_list_data(textName) {
	var valid = false;
	var tmpSelectedRegions = new Array();
	var count = 0;
	for (var i = 0; i<=currentRegionTotal;i++) {
		var tDiv = find_element('item'+i+'elem');
		if (tDiv.value) {
			tmpSelectedRegions[count] = tDiv.value;
			count++;
		}
	}

	selectedRegions = tmpSelectedRegions;
	for (var i=0;i<selectedRegions.length;i++) {
		if (selectedRegions[i] != '') {
			valid = true;
		}
	}
	
	if (selectedRegions.length == 0 || valid == false) {
		alert(selectNoRegionsError.replace('ZZZ', textName));
		return false;
	}
	
	document.getElementById('CUS_REGION_LIST').value = selectedRegions.join('::');
	return true;
}

function save_uploaded_file_data(textName) {
	if (document.getElementById('CUS_REGION_LIST').value.substring(0,5) != 'file:') {
		alert(fileUploadError.replace('ZZZ', textName));
		return false;
	}
	
	if (document.getElementById('numRegions').value == '') {
		alert(fileNoNumRegionsError.replace('ZZZ', textName));
		return false;
	}
	
	var rs = document.getElementById('CUS_REGION_LIST').value;
	var tmp = rs.split('::');
	tmp[1] = document.getElementById('numRegions').value + ' ' + textName;
	document.getElementById('CUS_REGION_LIST').value = tmp.join('::');
	return true;
}